11139548 has 24 divisors (see below), whose sum is σ = 23452800. Its totient is φ = 4522608.

The previous prime is 11139533. The next prime is 11139563. The reversal of 11139548 is 84593111.

It is an interprime number because it is at equal distance from previous prime (11139533) and next prime (11139563).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9938 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (977200).

Almost surely, 2^11139548 is an apocalyptic number.

It is an amenable number.

11139548 is an abundant number, since it is smaller than the sum of its proper divisors (12313252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11139548 is a wasteful number, since it uses less digits than its factorization.

11139548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20969 (or 20967 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 11139548 is about 3337.5961409374. The cubic root of 11139548 is about 223.3345204264.

The spelling of 11139548 in words is "eleven million, one hundred thirty-nine thousand, five hundred forty-eight".